148
FNCA52 TJSJ 290730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST SUN MAR 29 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-292000-
SOUTHEAST COASTAL PLAINS-
330 AM AST SUN MAR 29 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 20 0 30
TEMP (24H TREND) 87 (+4) 69 (-3) 87
RH % (24H TREND) 55 (-10) 87 (+2) 51
WIND 20FT/EARLY(MPH) NE 13 NE 14 NE 16
WIND 20FT/LATE(MPH) NE 16 NE 11 NE 19
MIXING HGT(FT-AGL/MSL)6900 7010
TRANSPORT WND (MPH) NE 12 NE 17
VENT RATE (KT-FT) 69000 105150
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-292000-
SOUTHERN HILLS-
330 AM AST SUN MAR 29 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 10 40
TEMP (24H TREND) 82 (+3) 66 (-3) 84
RH % (24H TREND) 62 (-9) 92 (+4) 57
WIND 20FT/EARLY(MPH) NE 10 NE 13 NE 14
WIND 20FT/LATE(MPH) NE 13 NE 12 NE 14
MIXING HGT(FT-AGL/MSL)6570 6550
TRANSPORT WND (MPH) NE 10 NE 17
VENT RATE (KT-FT) 59130 98250
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-292000-
NORTH COASTAL PLAINS-
330 AM AST SUN MAR 29 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 30 40
TEMP (24H TREND) 83 (+1) 70 (-3) 84
RH % (24H TREND) 63 (-7) 90 (+2) 61
WIND 20FT/EARLY(MPH) NE 13 NE 18 NE 18
WIND 20FT/LATE(MPH) NE 16 NE 17 NE 19
MIXING HGT(FT-AGL/MSL)5240 5040
TRANSPORT WND (MPH) NE 14 E 21
VENT RATE (KT-FT) 62880 90720
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-292000-
NORTHERN HILLS-
330 AM AST SUN MAR 29 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 30
TEMP (24H TREND) 82 (+2) 66 (-4) 83
RH % (24H TREND) 66 (-5) 94 (+3) 60
WIND 20FT/EARLY(MPH) NE 12 NE 16 NE 17
WIND 20FT/LATE(MPH) NE 14 E 14 NE 18
MIXING HGT(FT-AGL/MSL)5320 5570
TRANSPORT WND (MPH) NE 14 NE 21
VENT RATE (KT-FT) 63840 100260
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-292000-
WEST COAST-
330 AM AST SUN MAR 29 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 40
TEMP (24H TREND) 86 (+2) 67 (-3) 88
RH % (24H TREND) 59 (-9) 92 (+2) 55
WIND 20FT/EARLY(MPH) NE 14 NE 18 NE 17
WIND 20FT/LATE(MPH) NE 17 NE 18 NE 20
MIXING HGT(FT-AGL/MSL)5200 6140
TRANSPORT WND (MPH) NE 12 E 17
VENT RATE (KT-FT) 52000 92100
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-292000-
EASTERN INTERIOR-
330 AM AST SUN MAR 29 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 30 40
TEMP (24H TREND) 84 (+4) 67 (-4) 83
RH % (24H TREND) 62 (-8) 92 (+3) 60
WIND 20FT/EARLY(MPH) NE 10 NE 13 NE 13
WIND 20FT/LATE(MPH) NE 13 NE 13 NE 16
MIXING HGT(FT-AGL/MSL)5950 5530
TRANSPORT WND (MPH) NE 13 NE 17
VENT RATE (KT-FT) 65450 82950
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-292000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST SUN MAR 29 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 30 50
TEMP (24H TREND) 79 (+3) 66 (-3) 80
RH % (24H TREND) 65 (-10) 95 (+2) 63
WIND 20FT/EARLY(MPH) NE 8 NE 10 NE 11
WIND 20FT/LATE(MPH) NE 10 NE 10 NE 12
MIXING HGT(FT-AGL/MSL)5220 4220
TRANSPORT WND (MPH) NE 12 NE 17
VENT RATE (KT-FT) 52200 63300
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-292000-
CENTRAL MOUNTAIN RANGE-
330 AM AST SUN MAR 29 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 10 40
TEMP (24H TREND) 80 (+4) 63 (-4) 82
RH % (24H TREND) 66 (-9) 97 (+5) 59
WIND 20FT/EARLY(MPH) NE 12 NE 14 NE 16
WIND 20FT/LATE(MPH) NE 16 NE 13 NE 17
MIXING HGT(FT-AGL/MSL)6080 6320
TRANSPORT WND (MPH) NE 12 NE 18
VENT RATE (KT-FT) 60800 101120
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-292000-
CAYEY MOUNTAIN RANGE-
330 AM AST SUN MAR 29 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 30
TEMP (24H TREND) 79 (+3) 66 (-2) 81
RH % (24H TREND) 67 (-7) 94 (+1) 61
WIND 20FT/EARLY(MPH) NE 9 NE 11 NE 12
WIND 20FT/LATE(MPH) NE 12 NE 9 NE 13
MIXING HGT(FT-AGL/MSL)6210 5640
TRANSPORT WND (MPH) NE 13 NE 17
VENT RATE (KT-FT) 68310 84600
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-292000-
VIEQUES-
330 AM AST SUN MAR 29 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 30
TEMP (24H TREND) 86 (+2) 72 (-2) 85
RH % (24H TREND) 56 (-5) 84 (0) 58
WIND 20FT/EARLY(MPH) NE 11 NE 17 NE 17
WIND 20FT/LATE(MPH) NE 13 NE 17 NE 18
MIXING HGT(FT-AGL/MSL)4320 3820
TRANSPORT WND (MPH) NE 13 NE 22
VENT RATE (KT-FT) 47520 72580
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-292000-
CULEBRA-
330 AM AST SUN MAR 29 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 20 40
TEMP (24H TREND) 86 (+2) 72 (-2) 86
RH % (24H TREND) 55 (-8) 85 (-1) 55
WIND 20FT/EARLY(MPH) NE 11 NE 17 NE 17
WIND 20FT/LATE(MPH) NE 13 NE 17 NE 18
MIXING HGT(FT-AGL/MSL)4060 3760
TRANSPORT WND (MPH) NE 14 NE 22
VENT RATE (KT-FT) 48720 71440
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-292000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST SUN MAR 29 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 50
TEMP (24H TREND) 87 (+3) 67 (-4) 89
RH % (24H TREND) 55 (-8) 90 (+6) 51
WIND 20FT/EARLY(MPH) NE 16 NE 20 NE 17
WIND 20FT/LATE(MPH) E 19 NE 18 E 20
MIXING HGT(FT-AGL/MSL)5970 6780
TRANSPORT WND (MPH) E 6 E 14
VENT RATE (KT-FT) 29850 81360
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-292000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST SUN MAR 29 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 40
TEMP (24H TREND) 82 (0) 71 (-2) 83
RH % (24H TREND) 62 (-3) 90 (+1) 59
WIND 20FT/EARLY(MPH) NE 11 NE 17 NE 17
WIND 20FT/LATE(MPH) NE 12 NE 17 NE 19
MIXING HGT(FT-AGL/MSL)4060 3730
TRANSPORT WND (MPH) NE 16 NE 22
VENT RATE (KT-FT) 56840 70870
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-292000-
ST CROIX-
330 AM AST SUN MAR 29 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 30
TEMP (24H TREND) 84 (+2) 72 (-1) 85
RH % (24H TREND) 61 (-6) 87 (-1) 58
WIND 20FT/EARLY(MPH) NE 11 NE 16 NE 16
WIND 20FT/LATE(MPH) NE 13 NE 16 NE 17
MIXING HGT(FT-AGL/MSL)4840 4900
TRANSPORT WND (MPH) NE 15 NE 20
VENT RATE (KT-FT) 62920 83300
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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